also: いさらおがわ
trickling brook
Archaic literary term for a small, gently flowing stream. Not used in modern everyday Japanese; encountered mainly in classical poetry or historical descriptions.
In old waka poetry, one finds the phrase 'the murmur of a trickling brook'.
Archaic compound; the reading いささおがわ is restricted to this form and 細小小川.
Archaic compound; the reading いさらおがわ is restricted to this form and 細小小川.
Archaic compound; can be read as either いささおがわ or いさらおがわ.
The prefix いささ (also いさら) is an old element meaning 'small' or 'fine', combined with 小川 (brook). The exact origin of いささ/いさら is uncertain, but it appears in several archaic compounds.